Sprocket Chainwheel for Motorcycle --Our crank have two styles-The cotter crank and the cotterless crank. 1)The crank length of the cotter crank-89mm,102mm,114mm,127mm,140mm(22 bicycle),152mm(24 bicycle),165mm(26 bicycle),170mm and 175mm(28 bicycle). 2)The crank length of the cotterless crank-89mm,102mm,114mm,127mm,140mm,152mm,165mm. 3)The crank length of the children bicycle-89mm,102mm,114mm,127mm, --The chainwheel teeth-24T,26T,28T,32T,36T,40T,44T,46T,48T,52T,the smallest is 24T. --The triple chainring can be matched with cotter crank and cotterless crank.(152mm,170mm*48T,38T,28T.).But the plastic covered chainring only can be matched with cotterless crank. --The size of the double chainring is 152,165,170mm*40T,48T.and the 170mm is rare. --The cotter crank only can be made straight.But the cotterless crank can be made straight and bent. --The cotter crank has three holes 1)The B.B. Axle hole is 16 mm 2)The Pedal hole-14*1.25 mm,and the 14 mm is the diameter of the pedal hole,1.25 mm is the length between the thread.. 3)The pin hole (1)Metric:9.0 mm (2)Inch:9.5 mm --The cotterless crank only has two holes 1)The B.B. Axle hole 2)The pedal hole --Chainring cover have three styles,And we also can supply double cover chainring. 1)iron cover,and we can make it in various colour. 2)PCS cover. 3)plastic cover. --Finish- ED,CP,UCP. --Packing -one pair in a plastic bag . then 20 PRS into a carton. --Size-170,165*42T,34T,24T. --Qty- 20 PRS --N.W/G.W -30/31 KGS --MEAS - 52*32*23 CM For more information about our products and company, Please don t hesitate to contact us. BUY PWELL PRODUCTS, GOOD CHOICE!
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